<template>
  <div>
    <el-breadcrumb   separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>用户管理</el-breadcrumb-item>
        <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card class="box-card">
      <el-row :gutter="20">
        <el-col :span='8'>
          <el-input v-model="queryInfo.query" placeholder="请输入内容" class="input-with-select" clearable @clear='getUserList'>
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span='4'>
          <el-button type="primary" @click="addUserDialogVisible = true">添加用户</el-button>
        </el-col>
        <el-dialog title="添加用户"
                   :visible.sync="addUserDialogVisible"
                   width="50%"
                   @close="addUserClosed">
            <el-form label-width="65px"
                     :model='addUserProps'
                     :rules="addUserRules"
                     ref="addFormRef">
              <el-form-item label="用户名" prop="username"><el-input v-model="addUserProps.username"></el-input></el-form-item>
              <el-form-item label="密码" prop="password"><el-input v-model="addUserProps.password"></el-input></el-form-item>
              <el-form-item label="邮箱" prop="email"><el-input v-model="addUserProps.email"></el-input></el-form-item>
              <el-form-item label="手机号" prop="mobile"><el-input v-model="addUserProps.mobile"></el-input></el-form-item>
            </el-form>
          <span slot="footer" class="dialog-footer">
            <el-button @click="addUserDialogVisible = false">取消</el-button>
            <el-button type="primary" @click="addUser">确定</el-button>
          </span>
        </el-dialog>
        <el-dialog title="编辑用户属性"
                   :visible.sync="editUserDialogVisible"
                   width="50%">
            <el-form label-width="65px"
                     :model="editForm"
                     :rules="editFormRules"
                     ref="editFormRef">
              <el-form-item label="用户名"><el-input v-model="editForm.username" :disabled='true'></el-input></el-form-item>
              <el-form-item label="邮箱" prop="email"><el-input v-model="editForm.email"></el-input></el-form-item>
              <el-form-item label="手机号" prop="mobile"><el-input v-model="editForm.mobile"></el-input></el-form-item>
            </el-form>
          <span slot="footer" class="dialog-footer">
            <el-button @click="editUserDialogVisible = false">取消</el-button>
            <el-button type="primary" @click="editUser">确定</el-button>
          </span>
        </el-dialog>
        <el-dialog title="分配角色"
                   :visible.sync="setRoleDialogVisible"
                   width="50%"
                   @close="setRoleDialogClosed">
          <div>
            <p>当前用户：{{ userInfo.username }}</p>
            <p>当前用户：{{ userInfo.role_name }}</p>
            <p>分配新角色：
              <el-select v-model="selectedRoleId" placeholder="请选择">
              <el-option
                v-for="item in rolesList"
                :key="item.id"
                :label="item.roleName"
                :value="item.id">
              </el-option>
            </el-select>
            </p>
          </div>
          <span slot="footer" class="dialog-footer">
            <el-button @click="setRoleDialogVisible = false">取消</el-button>
            <el-button type="primary" @click="saveRoleInfo">确定</el-button>
          </span>
        </el-dialog>
      </el-row>
      <el-table
        border
        stripe
        :data="userList"
        style="width: 100%">
        <el-table-column
          label="No."
          type="index"
          align="center"
          width="48">
        </el-table-column>
        <el-table-column
          v-for="item in labelList"
          :key="item.index"
          :label="item.property"
          :prop="item.index"
          width="200">
        </el-table-column>
        <el-table-column label="状态" >
          <template slot-scope="scopeProp">
            <el-switch v-model="scopeProp.row.mg_state" @change="userStateChange(scopeProp.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column
          label="操作"
          width="200">
          <template slot-scope="scope">
            <el-button type="primary" size='mini' icon="el-icon-edit" @click="showEditDialog(scope.row)"></el-button>
            <el-button type="danger" size='mini' icon="el-icon-delete" @click="removeUserById(scope.row.id)"></el-button>
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
            <el-button type="warning" size='mini' icon="el-icon-setting" @click="setRole(scope.row)"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <el-pagination
        @size-change='handleSizeChange'
        @current-change='handleCurrentChange'
        :current-page="queryInfo.pagenum"
        :small="true"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </el-card>
  </div>
</template>
<script>
export default {
  data () {
    var checkEmail = (rule, value, callback) => {
      // 验证邮箱的正则表达式
      const regEmail = /^([a-zA-z0-9_-])+@([a-zA-z0-9_-])+(\.[a-zA-z0-9_-])+/
      if (regEmail.test(value)) {
        return callback()
      }
      callback(new Error('请输入合法邮箱'))
    }
    var checkMobile = (rule, value, callback) => {
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
      if (regMobile.test(value)) {
        return callback()
      }
      callback(new Error('手机号码格式不正确'))
    }
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 5
      },
      addUserProps: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      addUserRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      labelList: [
        { index: 'username', property: '姓名' },
        { index: 'email', property: '邮箱' },
        { index: 'mobile', property: '电话' },
        { index: 'role_name', property: '角色' }
      ],
      userList: [],
      total: 0,
      addUserDialogVisible: false,
      editUserDialogVisible: false,
      editForm: {},
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入用户手机', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      setRoleDialogVisible: false,
      userInfo: {},
      rolesList: [],
      selectedRoleId: ''
    }
  },
  created () {
    this.getUserList()
  },
  methods: {
    async getUserList () {
      const { data: res } = await this.$http.get('users', { params: this.queryInfo })
      if (res.meta.status !== 200) return this.$message.error('获取用户列表失败!')
      this.userList = res.data.users
      this.total = res.data.total
    },
    stateChange () {
      this.$message({
        message: '修改成功!',
        type: 'success'
      })
    },
    handleClose (done) {
      this.$confirm('确认关闭？')
        .then(_ => {
          done()
        })
        .catch(_ => {})
    },
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    async userStateChange (userInfo) {
      const { data: res } = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`)
      if (res.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state
        return this.$message.error('更新用户状态失败!')
      }
      this.$message.success('更新用户状态成功!')
    },
    addUserClosed () {
      this.$refs.addFormRef.resetFields()
    },
    addUser () {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.post('users', this.addUserProps)
        if (res.meta.status !== 200) {
          this.$message.error('添加用户失败')
        }
        this.$message.success('添加用户成功')
        this.addUserDialogVisible = false
        this.getUserList()
      })
    },
    async showEditDialog (userInfo) {
      const { data: res } = await this.$http.get('users/' + userInfo.id) // get方法使用用户id查询信息
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败')
      }
      this.editForm = res.data
      this.editUserDialogVisible = true
    },
    editUser () {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.put('users/' + this.editForm.id, { email: this.editForm.email, mobile: this.editForm.mobile })
        if (res.meta.status !== 200) {
          return this.$message.error('更新用户信息失败')
        }
        this.editUserDialogVisible = false
        this.getUserList()
        this.$message.success('更新用户信息成功')
      })
    },
    async removeUserById (id) {
      // console.log(id)
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(error => error)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败')
      }
      this.$message.success('删除用户成功')
      this.getUserList()
    },
    async setRole (userInfo) {
      this.userInfo = userInfo
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败!')
      }
      this.rolesList = res.data
      this.setRoleDialogVisible = true
    },
    async saveRoleInfo () {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择要分配的角色')
      }
      const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, {
        rid: this.selectedRoleId
      })
      if (res.meta.status !== 200) {
        return this.$message.error('更新角色失败!')
      }
      this.$message.success('更新角色成功')
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    setRoleDialogClosed () {
      this.selectedRoleId = ''
      this.userInfo = {}
    }
  }
}
</script>
<style lang="less">
.el-dialog {
  padding-left: 20px;
  span {
    label {
      display: inline-block;
      color: red;
      margin-right: 10px;
    }
    .el-input {
      display: inline;
      width: 50px
    }
  }
}
</style>
